Home / 987,263.70-1,481,442.00-481,828.86

Finding the Fourth Proportional to 987,263.70, 1,481,442.00 and 481,828.86

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Solution

The fourth proportional to 987,263.70, 1,481,442.00 and 481,828.86 is: 723,009.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,263.70 : 1,481,442.00 = 481,828.86 : x
  2. Step 2: Convert to fraction form
    987,263.70/1,481,442.00 = 481,828.86/x
  3. Step 3: Cross multiply
    987,263.70x = 1,481,442.00 × 481,828.86
  4. Step 4: Simplify right side
    987,263.70x = 713,801,513,730.96
  5. Step 5: Solve for x
    x = 713,801,513,730.96/987,263.70
  6. Step 6: Final answer
    x = 723,009.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.